Enter a number and pick its base (binary, octal, decimal, hex, or base 36), and the tool converts it to every other base live.
Repeatedly divide by 2 and record remainders. E.g. 10 = 1010 in binary.
Base 16, using digits 0–9 and letters A–F. Used in colors (#FF5733) and memory addresses.
Base 8, using digits 0–7. Used in Unix file permissions (chmod 755).